I got a 5' one outside in the shed - am thinking about making a bird bath out of it.
One problem though, how to keep it from freezing ....... Neil Tony King - W4ZT wrote: > > Use a multiswitch. > > I'm working on a 48" dish right now for looking at 101 alone ;) Hope > to be rid of a LOT of rain fade. > > 73, Tony W4ZT > > At 09:00 PM 10/23/2004, you wrote: > > > Tom, > > > > a little help here? if I am going to look at sat. A and sat. B > > with 2 dish's is there a way to hook them into the same input on > > one receiver? > > > > thanks John [EMAIL PROTECTED] > > > > > > ----- Original Message ----- > > From: TGundo 2003 > > To: Repeater-Builder@yahoogroups.com > > Sent: Saturday, October 16, 2004 11:16 PM > > Subject: Re: [Repeater-Builder] Direct TV type dish? > > > > I work for a high-end Custom home electronics company and deal with > > directv all of the time. Heres a few bits you may or may not find > > intresting. > > > > 1. Rain fade. Want to limit this? Put up three 1 meter dishes to > > look at the birds and have better signal reception. Yes, its an > > eyesore, but you hardly ever get rain fade!. The dishes are getting > > smaller and looking at three different positions in the sky, so they > > give up gain with the dish itself to look at all of these at the > > same time. They get away with this because the birds themselves are > > relativly high power. You can use up to a 1 meter dish to look at > > any one position in the sky and get much better signal, but not any > > bigger because again, the dish is too focused, At the 101 degree > > position there are actually three satellites which if I remember > > right are about 50 miles apart from each other in orbit, but at > > 24000 miles away thats virtually a single point in the sky from > > here. However, a dish bigger than 1 meter can single out one of the > > satellites. For you who have directv and have looked at your signal > > meter, with a 1 meter dish setup almost all of the transp! onders > > will read 100 all of the time with clear skys or even light clouds, > > and you hear toto flying by when rain fade actually knocks the > > signal out all together. > > > > 2. For long runs or commercial installs the standard is RG-11 coax > > to maintain signal level. There are amplifiers used for this as > > well. Stacker systems are becoming more common in MDU and high rise > > buildings. Basically, conventional satellite systems work 900 to > > 1500 as noted in a previously. The issue is that the reciever has to > > send a signal to the dish to switch between the a and b lnbs to look > > at the different birds, they cant both come down the line at the > > same time because they are both oviously coming down at the same > > frequency. You cannot just "split" the signal to multiple recievers > > because they would battle for control over the dish as channels are > > changed. Because of that distribution of that to dozens of recievers > > in a large building starts to get complicated because of the > > voltage switches needed to facilitate the switching. The Stacker > > system sends the second dish feed down at 1500- 2 gig, so that all > > of the signals are on the line at the same time,! a on 900-1500, b > > on 1500 - 2000. Many of the recievers out there already have tuners > > built in that can accept the wideband input, just a simple trip into > > the service menu on the box and turn it on! Now we can amplify and > > split as needed to feed as many as you want! But RG-11 and 2 gig > > rated splitters and amps are a must. > > > > Thats my two cents on the matter. > > > > Tom > > W9SRV > > > > bob <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > > > > > > From: "russ" > > > Date: 2004/10/15 Fri AM 02:00:59 GMT > > > To: > > > Subject: [Repeater-Builder] Direct TV type dish? > > > > > > > > > Hey Does any one know what frequency that the coax line > > coming from the LNB's to the receiver is? On direct TV. > > > 73 Russ, W3CH > > > > > > yes the cable is rg6 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > > > > > > Do you Yahoo!? > > Y! Messenger - Communicate in real time. Download now. > > > > > > > > > > > > > > > > > > > > > > > > > > --------------------------------------------------------------------- > > Yahoo! Groups Links > > > > * To visit your group on the web, go to: > > * http://groups.yahoo.com/group/Repeater-Builder/ > > * > > * To unsubscribe from this group, send an email to: > > * [EMAIL PROTECTED] > > * > > * Your use of Yahoo! Groups is subject to the Yahoo! Terms of > > Service. > > > > --------------------------------------------------------------- > Yahoo! Groups Links > > * To visit your group on the web, go to: > http://groups.yahoo.com/group/Repeater-Builder/ > > * To unsubscribe from this group, send an email to: > [EMAIL PROTECTED] > > * Your use of Yahoo! Groups is subject to the Yahoo! Terms of > Service. Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
